'Authentication server' presentation slideshows

Security+ Guide to Network Security Fundamentals, Third Edition

Security+ Guide to Network Security Fundamentals, Third Edition. Chapter 8 Authentication. Objectives. Define authentication Describe the different types of authentication credentials List and explain the authentication models. Objectives (continued). Define authentication servers

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Windows Server 2003 RRAS ?????????

Windows Server 2003 RRAS ?????????. ??? jeffl@ms11.hinet.net. Routing and Remote Access. Routing DHCP Relay Agent IGMP Router and Proxy NAT / Basic Firewall Open Shortest Path First (OSPF) RIP Version 2 for Internet Protocol Remote Access Dial-up VPN. 3. 4. RA server authenticates

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Short Introduction to Cryptography

Short Introduction to Cryptography. April 2, 2002 Christopher Boumenot. Purpose of Cryptography. Confidentiality Authentication Integrity Nonrepudiation Access Control Availability. Encryption Basics. Encryption algorithms use two basic principles

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Authentication, Authorization, Accounting (AAA)

Authentication, Authorization, Accounting (AAA). Raj Jain Washington University in Saint Louis Saint Louis, MO 63130 Jain@cse.wustl.edu Audio/Video recordings of this lecture are available at: http://www.cse.wustl.edu/~jain/cse571-09/. TexPoint fonts used in EMF.

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Mobility Models and Traces

Mobility Models and Traces. Wei-jen Hsu Advised by Dr. Ahmed Helmy Presented in CIS6930 class, Spring 2008. Outline. Simulation of user mobility Within NS-2 As a stand-alone code Traces from existing wireless networks. Simulation of User Mobility. Why?

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Beyond Traditional IEEE 802.11 Security Marie Waldrick May 5, 2003

Beyond Traditional IEEE 802.11 Security Marie Waldrick May 5, 2003. Outline. Characterizing Wireless Networks Wireless technology, 802.11 currently 802.1X EAP Architecture 802.1X/EAP Future Trends-802.1X/EAP/TKIP Conclusion-802.11i. Characterizing Wireless Networks.

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Authentication: Overview

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Lecture 5

Lecture 5 E-Banking Outline Definition of e-banking Entity authentication and secure communications Server side architecture & security Web client security Web application security What Is E-Banking Definition

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Lecture 5

Lecture 5. E-Banking. Outline. Definition of e-banking Entity authentication and secure communications Server side architecture & security Web client security Web application security. What Is E-Banking. Definition

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Lecture 4

Lecture 4. Objectives . IEEE 802.11i IEE 802.1x WPA WPA 2. IEEE 802.11i. Provides solid wireless security model Robust security network (RSN) Addresses both encryption and authentication Encryption accomplished by replacing RC4 (stream cipher) with a block cipher

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Security flaws of the WEP-Protocol

Security flaws of the WEP-Protocol. by Bastian Sopora, Seminar Computer Security 2006. Agenda. Introduction Basics of the WEP-Protocol Weaknesses of WEP Breaking WEP Alternatives & Outlook Summary & Discussion. Wireless Networking. ALOHAnet 1997: IEEE 802.11 (IR)

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Temporal Key Integrity Protocol (TKIP)

Temporal Key Integrity Protocol (TKIP). Presented By: Laxmi Nissanka Rao Kim Sang Soo. Agenda . Disadvantages of WEP Design Constraints Components of TKIP Putting the pieces together Questions. Disadvantages of WEP . WEP provides no forgery protection

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Security and PDAs in Mobile Computing Environments

Security and PDAs in Mobile Computing Environments. By Loo Tang Seet and Camilla Fjortoft. Today we will talk about . PDAs and their characteristics Security requirements Advantages and Limitations Operating Systems Authentication & Authorization (A&A) in Mobile Computing Environments

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Chapter 4

Chapter 4. Authentication Applications. Henric Johnson Blekinge Institute of Technology,Sweden http://www.its.bth.se/staff/hjo/ henric.johnson@bth.se. Outline. Security Concerns Kerberos X.509 Authentication Service Recommended reading and Web Sites. Security Concerns.

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Legitim i

Legitim i. Your Digital DNA. Technologies for the Prevention of Cyber Fraud and Identity Theft. Legitimi. Synertech's Legitimi technology is the industry's latest and most advanced online security innovation.

345 views • 23 slides

Wireless Security: The need for WPA and 802.11i

Wireless Security: The need for WPA and 802.11i. By Abuzar Amini CS 265 Section 1. Wireless Security Timeline. WEP - Part of original 802.11 specification published in 1999. WPA - Developed to fix numerous WEP flaws. Ratified by Wi-Fi Alliance in 2003.

432 views • 21 slides

Kerberos

Kerberos. Akshat Sharma Samarth Shah. Outline. Introduction. Importance. Functionality. What is Kerberos?. Why Kerberos?. Kerberos Model, Functionality, Benefits, Drawbacks. Sources of Information. How Kerberos works?. Why it is important?. About. Conclusion. References.

781 views • 16 slides

Encryption

UNIVERSITY of WISCONSIN-MADISON Computer Sciences Department. Encryption. CS 537 Introduction to Operating Systems. Andrea C. Arpaci-Dusseau Remzi H. Arpaci-Dusseau. Questions answered in this lecture: How does encryption provide privacy? How does encryption provide authentication?

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Kerberos

Kerberos. Jean-Anne Fitzpatrick Jennifer English. What is Kerberos?. Network authentication protocol Developed at MIT in the mid 1980s Available as open source or in supported commercial software. Why Kerberos?.

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Payment Systems & Authentication

Payment Systems & Authentication. e-Business ???? ??? ??. Electronic Payment Systems. ???? ??? ????? ?????? ????? ???? ?? First Virtual, CyberCash, S.E.T. ???? ??? ??? ??? ??? ?? ?? FSTC Check, NetBill, NetCheque ????? ?? ??? ??? ??? Mondex, EMV Card ???? ??? ?????? ?? ??

263 views • 11 slides